Home / 90,473.25-135,571.48-48,359.32

Finding the Fourth Proportional to 90,473.25, 135,571.48 and 48,359.32

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Solution

The fourth proportional to 90,473.25, 135,571.48 and 48,359.32 is: 72,465.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,473.25 : 135,571.48 = 48,359.32 : x
  2. Step 2: Convert to fraction form
    90,473.25/135,571.48 = 48,359.32/x
  3. Step 3: Cross multiply
    90,473.25x = 135,571.48 × 48,359.32
  4. Step 4: Simplify right side
    90,473.25x = 6,556,144,923.12
  5. Step 5: Solve for x
    x = 6,556,144,923.12/90,473.25
  6. Step 6: Final answer
    x = 72,465.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.